Script to generate Kill Locked Sessions in Oracle :

In case of RDS ,

SELECT 'exec rdsadmin.rdsadmin_util.kill('||s.sid ||','|| s.serial# ||' );'
FROM v$session s ,
v$process p ,
v$lock l ,
dba_objects o
WHERE
s.paddr = p.addr
AND l.sid = s.sid
AND l.id1 = o.object_id
AND s.username = 'XXAPPS' --- Change as needed.
AND object_name like ('XXSC%'); --- Change as needed.

When you try to Open R12 Form template fmb files in Oracle forms, you may receive FRM-10102: Cannot attach PL/SQL library APPCORE .

Unable to open Template.fmb. Getting following error

FRM-10102: Cannot attach PL/SQL library APPCORE. This library attachment will be lost if the module is saved.
FRM-10102: Cannot attach PL/SQL library APPDAYPK. This library attachment will be lost if the module is saved.
FRM-10102: Cannot attach PL/SQL library GLOBE. This library attachment will be lost if the module is saved.
FRM-10102: Cannot attach PL/SQL library FNDSQF. This library attachment will be lost if the module is saved.
FRM-10102: Cannot attach PL/SQL library JA. This library attachment will be lost if the module is saved.
FRM-10102: Cannot attach PL/SQL library JE. This library attachment will be lost if the module is saved.
FRM-10102: Cannot attach PL/SQL library JL. This library attachment will be lost if the module is saved.
FRM-10102: Cannot attach PL/SQL library VERT. This library attachment will be lost if the module is saved.
FRM-10102: Cannot attach PL/SQL library GHR. This library attachment will be lost if the module is saved.
FRM-10102: Cannot attach PL/SQL library PQH_GEN. This library attachment will be lost if the module is saved.
FRM-10102: Cannot attach PL/SQL library PSAC. This library attachment will be lost if the module is saved.

Solution : Set the Path for FORMS_PATH with the location of all core libraries(pll files).